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Validation and Testing of the Tracker Outer Barrel System Rod Prototype for CERN

This document provides a comprehensive overview of the testing and validation processes for the Tracker Outer Barrel system rods at CERN. The self-contained building blocks (6SS or 12DS modules) were subjected to rigorous assessments. The SS rod prototype was tested in the latter half of 2002, followed by the DS rod final prototype in early 2003. Key validations included electronics architecture functionality, grounding and shielding studies, performance assessments with physics signals, and cooling efficiency measurements. The detailed test setup is housed in an aluminum box with provisions for cooling and services.

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Validation and Testing of the Tracker Outer Barrel System Rod Prototype for CERN

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  1. CCUM 7 9 11 1 3 5 2 4 6 8 10 12 The Tracker Outer Barrel system test The “rod” is the self-contained TOB building block 6 (SS) or 12 (DS) Si modules Interconnection electronics Control electronics Optoelectronics Cooling pipe + module cooling elements integrated on a CF frame • SS rod prototype tested and validated in 2nd half of 2002 • DS rod “final” prototype tested and validated in 1st half of 2003  Validation of the electronics architecture (functionalities of the CTRL chain)  Test of grounding scheme and shielding of signals (study of noise)  Performance with physics signals (b source, cosmic muons)  Cooling efficiency (temperature map in data taking)

  2. The rod test set-up at CERN Alu box, gas tight, with patch panel for pipes (C6F14 cooling and dry air) and other services (it can house 2 rods) Modules, optohybrids, CCUM, high voltage Daq PC with 1 TSC, 1 FEC and 3 FED cards, DAQ Software

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